docs: def initialize(app: Flask, app_config):
      """
      Initialize the module.
  
      :param app: The Flask application.
      :param app_config: Application configuration dictionary. If `http.serve_on_endpoint` attribute
       is specified (e.g. /sacredboard/), the application will be hosted on that endpoint
      (e.g. http://localhost:5000/sacredboard/)
      """
      sub_url = app_config["http.serve_on_endpoint"]
      if sub_url != "/":
          app.wsgi_app = ReverseProxied(app.wsgi_app, script_name=sub_url)